Ski board



FIG. 1 is a top perspective view of a ski board showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a right side elevational view thereof, the left side view being a mirror image of that shown; and

FIG. 7 is a bottom plan view thereof.

The broken lines shown in FIGS. 1, 5 and 6 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a ski board, as shown and described. 